Which line is parallel to the line given below x-3y=24

What is the size of the matrix resulting from

Aline passes through 3,7 and 6,9 what equation represents the line

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?